code: def testProvideBatchFullSeqs(self):
      self._ValidateProvideBatchBoth(
          truncated_length=0,
          batch_size=2,
          lengths=[10, 50, 100, 10, 50, 80],
          expected_num_inputs=6,
      )
  
imports: import copy
  import tempfile
  import time
  from magenta.models.onsets_frames_transcription import configs
  from magenta.models.onsets_frames_transcription import constants
  from magenta.models.onsets_frames_transcription import data
  from note_seq import audio_io
  from note_seq import sequences_lib
  from note_seq import testing_lib
  from note_seq.protobuf import music_pb2
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 11 for calling the DataTest obj's underlying member method code with example usage: obj.testProvideBatchFullSeqs() without return types